Adds uphold equities card (uplift to 1.17.x)

[brave-builds]

Uplift of #6951
Uplift of #6982
Resolves brave/brave-browser#12276
Resolves brave/brave-browser#12372

Approved, please ensure that before merging:

• You have checked CI and the builds, lint, and tests all pass or are not related to your PR.
• You have tested your change on Nightly.
• The PR milestones match the branch they are landing to.

After you merge:

• The associated issue milestone is set to the smallest version that the changes is landed on.

[kjozwiak]

@NejcZdovc you'll need to rebase now that #6963 landed in 1.17.x & 1.16.x via #6971 & #6970.

[NejcZdovc]

@kjozwiak done

[kjozwiak]

Restarting Win x64 via https://ci.brave.com/job/pr-brave-browser-pr6951_uphold-equities_1.17.x-windows/3/ as it looks like CI ran into an issue with the instance as per https://ci.brave.com/job/pr-brave-browser-pr6951_uphold-equities_1.17.x-windows/2/console.

02:06:43  Still waiting to schedule task
02:06:43  There are no nodes with the label ‘i-055e9ed0ef74c8cb6’
02:08:01  i-055e9ed0ef74c8cb6-windows-swarm-dcf67b48 was marked offline: Connection was broken: java.nio.channels.ClosedChannelException

[kjozwiak]

Restarting Win x64 via https://ci.brave.com/job/pr-brave-browser-pr6951_uphold-equities_1.17.x-windows/5/ due to Agent Removed as per https://ci.brave.com/job/pr-brave-browser-pr6951_uphold-equities_1.17.x-windows/4/execution/node/189/log/.

13:02:03  Cannot contact i-055e9ed0ef74c8cb6-windows-swarm-dcf67b48: hudson.remoting.RequestAbortedException: java.nio.channels.ClosedChannelException
13:07:03  Could not connect to i-055e9ed0ef74c8cb6-windows-swarm-dcf67b48 to send interrupt signal to process

Linux failed test-browser due to AdBlockServiceTest.SubFrame failing as per https://ci.brave.com/job/pr-brave-browser-pr6951_uphold-equities_1.17.x-linux/3/execution/node/249/log/. However, this is a known intermittent issue that both @NejcZdovc and @jumde have also ran into.

12:58:48  1 test failed:
12:58:48      AdBlockServiceTest.SubFrame (../../brave/browser/brave_shields/ad_block_service_browsertest.cc:527)

[kjozwiak]

Uplift into 1.17.x approved after deliberating with @brave/uplift-approvers. QA has verified the PR on Nightly as per #6982 (comment).